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Subject: Re: [PATCH] ath10k: Add debugfs support to get power save state
 change of STA
From: Kalle Valo <kvalo@codeaurora.org>
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Date: Wed, 26 Sep 2018 14:12:08 +0000 (UTC)
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To: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org

Maharaja Kennadyrajan <mkenna@codeaurora.org> wrote:

> This patch helps to get the power save state change of each peer
> connected to the AP. With WMI_10_4_PEER_STA_PS_STATECHG_EVENTID
> event, ps state of each peer is reported to user space via
> debugfs.
> 
> Use the below command to get the ps state of each sta:
> cat /sys/kernel/debug/ieee80211/phyX/netdev::wlanX/stations/
> XX:XX:XX:XX:XX:XX/peer_ps_state
> 
> If STA is in power save state, we get the peer_ps_state value as 1.
> if STA is not in power save state, we get the peer_ps_state value as 0.
> If ps_state event is disabled, we get the peer_ps_state value as 2.
> 
> We can enable/disable the ps_state events using the debugfs flag
> "ps_state_enable"
> 
> echo Y > /sys/kernel/debug/ieee80211/phyX/ath10k/ps_state_enable
> 
> Y = 1 to enable and Y = 0 to disable
> 
> Tested in QCA4019 with firmware ver 10.4-3.2.1.1-00011
> 
> Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

This introduced a new warning:

drivers/net/wireless/ath/ath10k/wmi.c:5061:1: warning: symbol 'ath10k_wmi_event_peer_sta_ps_state_chg' was not declared. Should it be static?

I fixed this in the pending branch.

-- 
https://patchwork.kernel.org/patch/10603779/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches


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